{"title":"火星应用激光二极管堆失效风险评估","authors":"Guillaume Thin, F. Bourcier, H. Moisan","doi":"10.31399/asm.edfa.2019-2.p022","DOIUrl":null,"url":null,"abstract":"\n This article describes the qualification process for a 1.8 kW laser diode stack designed for the Mars Curiosity rover. The seven-bar stack serves as the optical pump in a boom-mounted spectroscope attached to the front of the rover. Each laser bar is made of 62 single emitters and generates 260 W of instantaneous optical power. A detailed design analysis of the diode stack is presented along with the results of overstress testing and failure analysis.","PeriodicalId":431761,"journal":{"name":"EDFA Technical Articles","volume":"46 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Failure Risk Assessment of Laser Diode Stacks for a Martian Application\",\"authors\":\"Guillaume Thin, F. Bourcier, H. Moisan\",\"doi\":\"10.31399/asm.edfa.2019-2.p022\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"\\n This article describes the qualification process for a 1.8 kW laser diode stack designed for the Mars Curiosity rover. The seven-bar stack serves as the optical pump in a boom-mounted spectroscope attached to the front of the rover. Each laser bar is made of 62 single emitters and generates 260 W of instantaneous optical power. A detailed design analysis of the diode stack is presented along with the results of overstress testing and failure analysis.\",\"PeriodicalId\":431761,\"journal\":{\"name\":\"EDFA Technical Articles\",\"volume\":\"46 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2019-05-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"EDFA Technical Articles\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.31399/asm.edfa.2019-2.p022\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"EDFA Technical Articles","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31399/asm.edfa.2019-2.p022","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Failure Risk Assessment of Laser Diode Stacks for a Martian Application
This article describes the qualification process for a 1.8 kW laser diode stack designed for the Mars Curiosity rover. The seven-bar stack serves as the optical pump in a boom-mounted spectroscope attached to the front of the rover. Each laser bar is made of 62 single emitters and generates 260 W of instantaneous optical power. A detailed design analysis of the diode stack is presented along with the results of overstress testing and failure analysis.
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